Neuromodulation : journal of the International Neuromodulation Society
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Approximately 15% of all people will experience a depressive episode throughout their lives, and by 2020, depression will be the second largest cause of disability around the world. Transcranial magnetic stimulation (TMS) has been shown to be an effective option for treating this condition. Devices such as the double-cone coil may bring new insights regarding depression treatment. ⋯ Despite the small number of controlled clinical trials and the small sample sizes, which limit the generalization of the obtained results, the collected data provide an optimistic perspective on the effectiveness of using DC-TMS for depression treatment.
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Chronic pain (CP) affects a significant number of patients following hernia repair, ranging from 11 to 54% in the literature. The aim of this study was to assess the prevalence, overall costs, and health care utilization associated with CP after hernia repair. ⋯ Our study demonstrates the prevalence of CP after hernia surgery to be nearly 20%, with significantly increased costs and healthcare resource utilization. While current treatment paradigms are effective for many, there remains a large number of patients that could benefit from an overall approach that includes nonopioid treatments, such as potentially incorporating neurostimulation, for CP that presents posthernia repair.
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Randomized Controlled Trial
Lack of Target Engagement Following Low-Frequency Deep Transcranial Magnetic Stimulation of the Anterior Insula.
To evaluate the safety and efficacy of low-frequency, inhibitory, deep rTMS with a novel H-coil specifically designed to stimulate the insula. ⋯ Low-frequency deep rTMS using a novel H8 coil was shown to be safe but did not affect any of the behavioral markers, also used to investigate modulation of insula activity. Our findings highlight the challenges of modulating the activity of deep brain regions with TMS. Further studies are necessary to identify effective stimulation parameters for deep targets, and to characterize the effects of deep TMS on overlying cortical regions.
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Sphenopalatine ganglion stimulation (SPG-S) is an invasive form of neuromodulation by which a neurostimulator is implanted into the pterygopalatine fossa to treat refractory chronic cluster headache. The implant is MRI conditional, up to 3 T, however there is no clinical data on the shape, size, and location of the artifact produced by the implant. ⋯ The authors declare no potential conflicts of interest with respect to research, authorship, and/or publication of this article.
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We are developing a novel intradural spinal cord stimulator for treatment of neuropathic pain and spasticity. A key feature is the means by which it seals the dura mater to prevent leakage of cerebrospinal fluid (CSF). We have built and employed a test rig that enables evaluation of candidate seal materials. ⋯ We have demonstrated the workability of obtaining robust seal against leakage at the implantation site of a novel intradural stimulator using a custom-designed test rig. Extension of the method to in vivo testing in a large animal model will be the next step.